DanG wrote:

Learn to type and spell. That childish SMS stuff is not an adult
form of communication in my opinion. You are asking some question
about fluorescence.


That is actually "efflorescence" that you are trying to spell.
"A growth of salt crystals on a surface caused by evaporation of salt-laden
water."

Try looking at http://www.google.com/search?hl=en&q...=Google+Search